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Finding the Fourth Proportional to 1,012.83, 1,519.59 and 596.60

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Solution

The fourth proportional to 1,012.83, 1,519.59 and 596.60 is: 895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012.83 : 1,519.59 = 596.60 : x
  2. Step 2: Convert to fraction form
    1,012.83/1,519.59 = 596.60/x
  3. Step 3: Cross multiply
    1,012.83x = 1,519.59 × 596.60
  4. Step 4: Simplify right side
    1,012.83x = 906,579.80
  5. Step 5: Solve for x
    x = 906,579.80/1,012.83
  6. Step 6: Final answer
    x = 895.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.